What is X30Cr13 stainless steel?

X30Cr13 stainless steel is a martensite stainless steel containing 13 % chromium. It has good corrosion resistance and toughness and high hardness. It is used for a variety of applications, such as tableware, surgical instruments and pump shafts.

What is the chemical composition of X30Cr13?

The chemical composition of X30Cr13 is as follows:

Carbon (C): 0.26-0.35%

Silicon (SI): up to 1.00%

Manganese (mn): up to 1.00%

Phosphor (P): up to 0.040%

Sulfur (S): up to 0.030%

Chromium (CR): 12.00-14.00%

Molybdenum (MO): up to 0.75%(some specifications do not add molybdenum)

Nickel (Ni): up to 0.60%

What is the physical nature of X30Cr13?

X30Cr13 is a high -carbon and high -chromium stainless steel. The physical properties of at room temperature are as follows:

Density: 7.7 g/cm 7

Elastic modulus: 210 GPA

Wire expansion coefficient: 11.7 x 10^-6 /k

Thermal guidance rate: 25.0 w/(m · k)

Bi heat capacity: 460 j/(kg · k)

Resistivity: 0.60 x 10^-6 ω · m

Is X30Cr13 hard?

X30Cr13 is a high -carbon and high -chromium stainless steel, which has high hardness. Its hardness can be further improved by heat treatment and cold processing.

After solid solution (annealing), the HRC 20-25 is low in HRC 20-25. After quenching, the hardness of the material can be significantly improved, usually HRC 50-60. In addition, recovery treatment can also improve the toughness and reliability of the material while maintaining a certain hardness and abrasion resistance.

What are the characteristics of X30Cr13 stainless steel?

X30Cr13 stainless steel is a mart -. Chrome stainless steel containing corrosion resistance and wear resistance. The main feature of X30Cr13 stainless steel is:

1. Good corrosion resistance: X30CR13 stainless steel has good corrosiveness in most media, rust performance is better than 0CR13 and 1CR13 stainless steel, and it is better in some media than ordinary carbon steel.

2. Good abrasion resistance: X30CR13 stainless steel is better than 0CR13 and 1CR13 stainless steel, because its carbon content is high and chromium content.

3. Good toughness: X30CR13 stainless steel has good toughness and can be used within the wide temperature range (-40 ~ 200 ° C).

What are the applications of X30Cr13 stainless steel?

X30Cr13 stainless steel is a mart -. Chrome stainless steel containing corrosion resistance and wear resistance. It is widely used in various fields, such as tools, cutting tools, surgical instruments, shafts, gears, bearing, valves, springs, fasteners and other hardware.

X30Cr13 has excellent mechanical performance and easy to deal with. It can be reinforced by heat treatment and is widely used to make various tools and cutting tools. It is also widely used in surgical instruments and other equipment in the medical industry.

How to welded X30Cr13?

X30Cr13 is a high -carbon and high -chromium stainless steel. You need to pay attention to the following points when welding:

Select the right welding method: common welding methods include handmade arc welding, gas protection welding (Tig/MIG), electronic bundle welding, etc. Different welding methods have different characteristics and scope of applications, and you need to choose according to the specific situation.

Select the appropriate welding material: choose welding materials similar to the X30CR13 material, and usually use AISI 420 or AWS E420 stripes or welding wires. In addition, the welding material should be preheated before welding to improve its welding and toughness.

Control the welding temperature and speed: The temperature and speed should be strictly controlled during the welding process to avoid cracks and deformation of excessive welding temperature and excessive welding speed. It is usually recommended to weld at low temperature and then slowly cool to room temperature.

Poor treatment after welding: After the welding is completed, it should be treated with welding seams to polish and remove residual stress to improve the quality and reliability of the welding joint.

What are the advantages of X30Cr13?

Corrosion resistance: Due to the high chromium content, the X30Cr13 has good corrosion resistance and can maintain the surface smoothness and durability in different environments such as acid, alkali, and salt.

Abrasion resistance: X30Cr13 has high hardness and abrasion resistance, which can maintain the surface smoothness and durability in different mechanical environments.

Cutting performance: Due to the high carbon content, the X30Cr13 has good cutting performance and can maintain high processing efficiency and processing quality in different processing environments.

What are the disadvantages of X30Cr13?

It is easy to produce heat cracks: X30Cr13 materials are easy to produce heat cracks, and need to strictly control temperature and speed during welding and processing to avoid quality problems.

Poor weldability: The weldability of the X30CR13 material is poor. It is necessary to choose the appropriate welding method and welding material, and preheat before welding to improve its weldability and toughness.

Poor corrosion resistance: Although X30Cr13 has good corrosion resistance, compared to other stainless steel materials, its corrosion resistance is poor and cannot be used in particularly harsh environments.

How does X30Cr13 heat treatment?

X30Cr13 is a high -carbon, high -chromium stainless steel, which can further improve its hardness and wear resistance by heat treatment. The following is a common heat treatment method:

Soluble treatment (annealing): Heat the X30CR13 material to about 800-900 ° C, heat it at this temperature for a while, and then slowly cool to room temperature. In this process, chromium and carbon can be fully soluble, so that the material has better processing and toughness.

Quenching: Heat the decreasing X30Cr13 material to 950-1050 ° C, and then quickly cool to room temperature. This process can significantly improve the hardness and wear resistance of the material, but it may also cause the material to become brittle and easy to crack.

Fire: For the X30CR13 material that has been quenched, it can be recovered to improve its toughness. Heating the material to 300-600 ° C, and slowly cooling after the heat preservation can maintain a certain hardness and abrasion resistance while improving its toughness and reliability  

Some of the techniques of using X30CR13 stainless steel include:

  -In the processing material, wear gloves and other protective equipment

  -Sele the area to clean, there is no debris

  -In the use of materials, use only clean tools

  -On avoid contact with other metals.